Properties of the Number 30219

Thirty Thousand Two Hundred Nineteen

Basics

Value: 30218 → 30219 → 30220

Parity: odd

Prime: No

Previous Prime: 30211

Next Prime: 30223

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 1439

Divisors: 1, 3, 7, 21, 1439, 4317, 10073, 30219

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111011000001011

Octal: 73013

Duodecimal: 155A3

Hexadecimal: 760b

Square: 913187961

Square Root: 173.83612973142263

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Sum of squares of three consecutive primes. A133529

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 387", based on the 5-celled von Neumann neighborhood. A281672

Number of 4 X 4 X 4 triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= n. A166212

a(n) = min( x : x⁴ + n⁴ = 0 mod (x+n-1) ). A66487

Draw a line through every pair of points with coordinates (x, 1) and (x', 2) with x, x' in 1..n, and then count the number of intersection points above the line y = 2. A92275

Expansion of (η(q⁵)*η(q⁷))². A30219